Identify based on biometrics has many advantages such as difficult to be forgotten, good capability of anti-counterfeit, difficult to be simulate or stolen, hand-carry and usable any time and place.

• 利用生物特征技术进行身份识别的方法具有不易遗忘、防伪性能好、不易伪造或被盗、随身“携带”和随时随地可用等优点。